Support verified heap pointer writes on ia32.

runtime/vm/snapshot.cc

Index: runtime/vm/snapshot.cc
===================================================================
--- runtime/vm/snapshot.cc	(revision 41609)
+++ runtime/vm/snapshot.cc	(working copy)
@@ -15,6 +15,7 @@
 #include "vm/object_store.h"
 #include "vm/snapshot_ids.h"
 #include "vm/symbols.h"
+#include "vm/verified_memory.h"
 #include "vm/version.h"
 
 namespace dart {
@@ -847,6 +848,7 @@
   // Make sure to initialize the last word, as this can be left untouched in
   // case the object deserialized has an alignment tail.
   *reinterpret_cast<RawObject**>(address + size - kWordSize) = Object::null();
+  VerifiedMemory::Accept(address, size);
 
   RawObject* raw_obj = reinterpret_cast<RawObject*>(address + kHeapObjectTag);
   uword tags = 0;